If rita walked 13,200 feet to her friends house and fabian rode his bike 4 miles, who walked further

Rita walked 13,200 feet 
fabian rode=4miles(4 x 5280)=21,120 feet
answer=Fabian walked further

1 foot is about 0.0002 miles.
Let's transpose the distance walked by Rita from feet to miles. Let x be 13,200 feet in miles.

1 foot --> 0.0002 miles
13,200 feet --> x miles

x = (13200*0.0002)/1 = 13200*0.0002 = 2.64 miles.

2.64<4, so Fabian walked further.

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